Implement Android WebView.clearCache

android_webview/lib/main/aw_main_delegate.cc

Index: android_webview/lib/main/aw_main_delegate.cc
diff --git a/android_webview/lib/main/aw_main_delegate.cc b/android_webview/lib/main/aw_main_delegate.cc
index 0d24080cd8f23ee6c52a093e94d0c827a83ac5ff..11299d5b5c3d133764e67768a235aaefb72df2a0 100644
--- a/android_webview/lib/main/aw_main_delegate.cc
+++ b/android_webview/lib/main/aw_main_delegate.cc
@@ -7,10 +7,13 @@
 #include "android_webview/common/url_constants.h"
 #include "android_webview/lib/aw_browser_dependency_factory_impl.h"
 #include "android_webview/lib/aw_content_browser_client.h"
+#include "android_webview/renderer/aw_render_process_observer.h"
 #include "android_webview/renderer/aw_render_view_ext.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/utf_string_conversions.h"
+#include "content/public/renderer/render_thread.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/renderer/chrome_content_renderer_client.h"
 #include "content/public/browser/browser_main_runner.h"
@@ -35,7 +38,14 @@ class AwContentRendererClient : public chrome::ChromeContentRendererClient {
     WebKit::WebString content_scheme(
         ASCIIToUTF16(android_webview::kContentScheme));
     WebKit::WebSecurityPolicy::registerURLSchemeAsLocal(content_scheme);
+
+    aw_render_process_observer_.reset(new AwRenderProcessObserver);
+    content::RenderThread::Get()->AddObserver(
+        aw_render_process_observer_.get());
   }
+
+ private:
+  scoped_ptr<AwRenderProcessObserver> aw_render_process_observer_;
 };
 
 }