DevTools: move DevToolsAgent/Client into content.

BUG=84078
TEST=

Review URL: http://codereview.chromium.org/7461019

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@93596 0039d316-1c4b-4281-b951-d872f2087c98
void RenderView::requestStorageQuota(
    WebFrame* frame,
    WebStorageQuotaType type,
    unsigned long long requested_size,
    WebStorageQuotaCallbacks* callbacks) {
  DCHECK(frame);
  WebSecurityOrigin origin = frame->document().securityOrigin();
  if (origin.isEmpty()) {
    callbacks->didFail(WebKit::WebStorageQuotaErrorAbort);
    return;
  }
  ChildThread::current()->quota_dispatcher()->RequestStorageQuota(
      routing_id(), GURL(origin.toString()), type, requested_size, callbacks);
}

void RenderView::requestStorageQuota(
    WebFrame* frame,
    WebStorageQuotaType type,
    unsigned long long requested_size,
    WebStorageQuotaCallbacks* callbacks) {
  DCHECK(frame);
  WebSecurityOrigin origin = frame->document().securityOrigin();
  if (origin.isEmpty()) {
    callbacks->didFail(WebKit::WebStorageQuotaErrorAbort);
    return;
  }
  ChildThread::current()->quota_dispatcher()->RequestStorageQuota(
      routing_id(), GURL(origin.toString()), type, requested_size, callbacks);
}
