media: use size_t for integer iterator to Vector::size()

Change-Id: I0a744dc7815a86a993df9b0623440be620ec8903
diff --git a/drm/common/DrmSupportInfo.cpp b/drm/common/DrmSupportInfo.cpp
index 5400bdd..584c6a6 100644
--- a/drm/common/DrmSupportInfo.cpp
+++ b/drm/common/DrmSupportInfo.cpp
@@ -47,7 +47,7 @@
         return false;
     }
 
-    for (unsigned int i = 0; i < mMimeTypeVector.size(); i++) {
+    for (size_t i = 0; i < mMimeTypeVector.size(); i++) {
         const String8 item = mMimeTypeVector.itemAt(i);
 
         if (!strcasecmp(item.string(), mimeType.string())) {
@@ -58,7 +58,7 @@
 }
 
 bool DrmSupportInfo::isSupportedFileSuffix(const String8& fileType) const {
-    for (unsigned int i = 0; i < mFileSuffixVector.size(); i++) {
+    for (size_t i = 0; i < mFileSuffixVector.size(); i++) {
         const String8 item = mFileSuffixVector.itemAt(i);
 
         if (!strcasecmp(item.string(), fileType.string())) {
diff --git a/drm/drmserver/DrmManager.cpp b/drm/drmserver/DrmManager.cpp
index dccd23d..d8aeb0c 100644
--- a/drm/drmserver/DrmManager.cpp
+++ b/drm/drmserver/DrmManager.cpp
@@ -101,7 +101,7 @@
 status_t DrmManager::loadPlugIns(const String8& plugInDirPath) {
     mPlugInManager.loadPlugIns(plugInDirPath);
     Vector<String8> plugInPathList = mPlugInManager.getPlugInIdList();
-    for (unsigned int i = 0; i < plugInPathList.size(); ++i) {
+    for (size_t i = 0; i < plugInPathList.size(); ++i) {
         String8 plugInPath = plugInPathList[i];
         DrmSupportInfo* info = mPlugInManager.getPlugIn(plugInPath).getSupportInfo(0);
         if (NULL != info) {
@@ -138,7 +138,7 @@
     Mutex::Autolock _l(mLock);
     if (!mSupportInfoToPlugInIdMap.isEmpty()) {
         Vector<String8> plugInIdList = mPlugInManager.getPlugInIdList();
-        for (unsigned int index = 0; index < plugInIdList.size(); index++) {
+        for (size_t index = 0; index < plugInIdList.size(); index++) {
             IDrmEngine& rDrmEngine = mPlugInManager.getPlugIn(plugInIdList.itemAt(index));
             rDrmEngine.initialize(uniqueId);
             rDrmEngine.setOnInfoListener(uniqueId, this);
@@ -149,7 +149,7 @@
 void DrmManager::removeClient(int uniqueId) {
     Mutex::Autolock _l(mLock);
     Vector<String8> plugInIdList = mPlugInManager.getPlugInIdList();
-    for (unsigned int index = 0; index < plugInIdList.size(); index++) {
+    for (size_t index = 0; index < plugInIdList.size(); index++) {
         IDrmEngine& rDrmEngine = mPlugInManager.getPlugIn(plugInIdList.itemAt(index));
         rDrmEngine.terminate(uniqueId);
     }
@@ -208,7 +208,7 @@
     bool result = false;
     Vector<String8> plugInPathList = mPlugInManager.getPlugInIdList();
 
-    for (unsigned int i = 0; i < plugInPathList.size(); ++i) {
+    for (size_t i = 0; i < plugInPathList.size(); ++i) {
         IDrmEngine& rDrmEngine = mPlugInManager.getPlugIn(plugInPathList[i]);
         result = rDrmEngine.canHandle(uniqueId, path);
 
@@ -318,7 +318,7 @@
 status_t DrmManager::removeAllRights(int uniqueId) {
     Vector<String8> plugInIdList = mPlugInManager.getPlugInIdList();
     status_t result = DRM_ERROR_UNKNOWN;
-    for (unsigned int index = 0; index < plugInIdList.size(); index++) {
+    for (size_t index = 0; index < plugInIdList.size(); index++) {
         IDrmEngine& rDrmEngine = mPlugInManager.getPlugIn(plugInIdList.itemAt(index));
         result = rDrmEngine.removeAllRights(uniqueId);
         if (DRM_NO_ERROR != result) {
@@ -412,7 +412,7 @@
     if (NULL != handle) {
         handle->decryptId = mDecryptSessionId + 1;
 
-        for (unsigned int index = 0; index < plugInIdList.size(); index++) {
+        for (size_t index = 0; index < plugInIdList.size(); index++) {
             String8 plugInId = plugInIdList.itemAt(index);
             IDrmEngine& rDrmEngine = mPlugInManager.getPlugIn(plugInId);
             result = rDrmEngine.openDecryptSession(uniqueId, handle, fd, offset, length, mime);
@@ -440,7 +440,7 @@
     if (NULL != handle) {
         handle->decryptId = mDecryptSessionId + 1;
 
-        for (unsigned int index = 0; index < plugInIdList.size(); index++) {
+        for (size_t index = 0; index < plugInIdList.size(); index++) {
             String8 plugInId = plugInIdList.itemAt(index);
             IDrmEngine& rDrmEngine = mPlugInManager.getPlugIn(plugInId);
             result = rDrmEngine.openDecryptSession(uniqueId, handle, uri, mime);
@@ -565,7 +565,7 @@
     String8 plugInId("");
 
     if (EMPTY_STRING != mimeType) {
-        for (unsigned int index = 0; index < mSupportInfoToPlugInIdMap.size(); index++) {
+        for (size_t index = 0; index < mSupportInfoToPlugInIdMap.size(); index++) {
             const DrmSupportInfo& drmSupportInfo = mSupportInfoToPlugInIdMap.keyAt(index);
 
             if (drmSupportInfo.isSupportedMimeType(mimeType)) {
@@ -581,7 +581,7 @@
     String8 plugInId("");
     const String8 fileSuffix = path.getPathExtension();
 
-    for (unsigned int index = 0; index < mSupportInfoToPlugInIdMap.size(); index++) {
+    for (size_t index = 0; index < mSupportInfoToPlugInIdMap.size(); index++) {
         const DrmSupportInfo& drmSupportInfo = mSupportInfoToPlugInIdMap.keyAt(index);
 
         if (drmSupportInfo.isSupportedFileSuffix(fileSuffix)) {
@@ -599,7 +599,7 @@
 
 void DrmManager::onInfo(const DrmInfoEvent& event) {
     Mutex::Autolock _l(mListenerLock);
-    for (unsigned int index = 0; index < mServiceListeners.size(); index++) {
+    for (size_t index = 0; index < mServiceListeners.size(); index++) {
         int uniqueId = mServiceListeners.keyAt(index);
 
         if (uniqueId == event.getUniqueId()) {
diff --git a/drm/libdrmframework/include/PlugInManager.h b/drm/libdrmframework/include/PlugInManager.h
index 7bb143f..c1d019a 100644
--- a/drm/libdrmframework/include/PlugInManager.h
+++ b/drm/libdrmframework/include/PlugInManager.h
@@ -80,7 +80,7 @@
         Vector<String8> plugInFileList = getPlugInPathList(rsPlugInDirPath);
 
         if (!plugInFileList.isEmpty()) {
-            for (unsigned int i = 0; i < plugInFileList.size(); ++i) {
+            for (size_t i = 0; i < plugInFileList.size(); ++i) {
                 loadPlugIn(plugInFileList[i]);
             }
         }
@@ -91,7 +91,7 @@
      *
      */
     void unloadPlugIns() {
-        for (unsigned int i = 0; i < m_plugInIdList.size(); ++i) {
+        for (size_t i = 0; i < m_plugInIdList.size(); ++i) {
             unloadPlugIn(m_plugInIdList[i]);
         }
         m_plugInIdList.clear();