aw: Release hardware onTrimMemory(MODERATE)

android_webview/browser/shared_renderer_state.cc

Index: android_webview/browser/shared_renderer_state.cc
diff --git a/android_webview/browser/shared_renderer_state.cc b/android_webview/browser/shared_renderer_state.cc
index 8845b761cd252c16592d4480003288e53b07de09..582908eb39e699abb54e00ef9294bbd8fe0acc98 100644
--- a/android_webview/browser/shared_renderer_state.cc
+++ b/android_webview/browser/shared_renderer_state.cc
@@ -23,7 +23,7 @@ SharedRendererState::SharedRendererState(
       client_on_ui_(client),
       weak_factory_on_ui_thread_(this),
       ui_thread_weak_ptr_(weak_factory_on_ui_thread_.GetWeakPtr()),
-      hardware_allowed_(false),
+      inside_hardware_release_(false),
       share_context_(NULL) {
   DCHECK(ui_loop_->BelongsToCurrentThread());
   DCHECK(client_on_ui_);
@@ -62,14 +62,14 @@ scoped_ptr<DrawGLInput> SharedRendererState::PassDrawGLInput() {
   return draw_gl_input_.Pass();
 }
 
-void SharedRendererState::SetHardwareAllowed(bool allowed) {
+void SharedRendererState::SetInsideHardwareRelease(bool inside) {
   base::AutoLock lock(lock_);
-  hardware_allowed_ = allowed;
+  inside_hardware_release_ = inside;
 }
 
-bool SharedRendererState::IsHardwareAllowed() const {
+bool SharedRendererState::IsInsideHardwareRelease() const {
   base::AutoLock lock(lock_);
-  return hardware_allowed_;
+  return inside_hardware_release_;
 }
 
 void SharedRendererState::SetSharedContext(gpu::GLInProcessContext* context) {
@@ -103,4 +103,15 @@ bool SharedRendererState::ReturnedResourcesEmpty() const {
   return returned_resources_.empty();
 }
 
+InsideHardwareReleaseReset::InsideHardwareReleaseReset(
+    SharedRendererState* shared_renderer_state)
+    : shared_renderer_state_(shared_renderer_state) {
+  DCHECK(!shared_renderer_state_->IsInsideHardwareRelease());
+  shared_renderer_state_->SetInsideHardwareRelease(true);
+}
+
+InsideHardwareReleaseReset::~InsideHardwareReleaseReset() {
+  shared_renderer_state_->SetInsideHardwareRelease(false);
+}
+
 }  // namespace android_webview