Add IPC plumbing code for Quota API

content/renderer/render_view.cc

Index: content/renderer/render_view.cc
diff --git a/content/renderer/render_view.cc b/content/renderer/render_view.cc
index e8a391d03a0ea0000f09cb3c31329cf7f6fe6614..9d08d22610e607108e8d7350fafaddfb08b28c2c 100644
--- a/content/renderer/render_view.cc
+++ b/content/renderer/render_view.cc
@@ -56,6 +56,7 @@
 #include "content/common/file_system/webfilesystem_callback_dispatcher.h"
 #include "content/common/notification_service.h"
 #include "content/common/pepper_messages.h"
+#include "content/common/quota_dispatcher.h"
 #include "content/common/renderer_preferences.h"
 #include "content/common/view_messages.h"
 #include "content/renderer/audio_message_filter.h"
@@ -126,6 +127,7 @@
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebSettings.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebSize.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebStorageNamespace.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebStorageQuotaCallbacks.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebString.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebURL.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebURLError.h"
@@ -236,6 +238,9 @@ using WebKit::WebSettings;
 using WebKit::WebSharedWorker;
 using WebKit::WebSize;
 using WebKit::WebStorageNamespace;
+using WebKit::WebStorageQuotaCallbacks;
+using WebKit::WebStorageQuotaError;
+using WebKit::WebStorageQuotaType;
 using WebKit::WebString;
 using WebKit::WebTextAffinity;
 using WebKit::WebTextDirection;
@@ -3503,6 +3508,37 @@ void RenderView::openFileSystem(
       size, create, new WebFileSystemCallbackDispatcher(callbacks));
 }
 
+void RenderView::queryStorageUsageAndQuota(
+    WebFrame* frame,
+    WebStorageQuotaType type,
+    WebStorageQuotaCallbacks* callbacks) {
+  DCHECK(frame);
+  WebSecurityOrigin origin = frame->securityOrigin();
+  if (origin.isEmpty()) {
+    // Uninitialized document?
+    callbacks->didFail(WebKit::WebStorageQuotaErrorAbort);
+    return;
+  }
+  ChildThread::current()->quota_dispatcher()->QueryStorageUsageAndQuota(
+      GURL(origin.toString()), type, callbacks);
+}
+
+void RenderView::requestStorageQuota(
+    WebFrame* frame,
+    WebStorageQuotaType type,
+    unsigned long long requested_size,
+    WebStorageQuotaCallbacks* callbacks) {
+  DCHECK(frame);
+  WebSecurityOrigin origin = frame->securityOrigin();
+  if (origin.isEmpty()) {
+    // Uninitialized document?
+    callbacks->didFail(WebKit::WebStorageQuotaErrorAbort);
+    return;
+  }
+  ChildThread::current()->quota_dispatcher()->RequestStorageQuota(
+      GURL(origin.toString()), type, requested_size, callbacks);
+}
+
 // webkit_glue::WebPluginPageDelegate -----------------------------------------
 
 webkit::npapi::WebPluginDelegate* RenderView::CreatePluginDelegate(