[WebLayer] PageInfoClientImpl moves to the weblayer namespace.

Bug: 1058595
Change-Id: I53dd3ecfce6393b0eaeddbd98a4622dac1f1d73c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2188290Reviewed-by: Clark DuVall <cduvall@chromium.org>
Commit-Queue: Mugdha Lakhani <nator@chromium.org>
Cr-Commit-Position: refs/heads/master@{#766530}

weblayer/browser/url_bar/page_info_client_impl.cc

@@ -8,6 +8,8 @@
 #include "weblayer/browser/android/resource_mapper.h"
 #include "weblayer/browser/url_bar/page_info_delegate_impl.h"
 
+namespace weblayer {
+
 // static
 PageInfoClientImpl* PageInfoClientImpl::GetInstance() {
   return new PageInfoClientImpl();
@@ -22,3 +24,5 @@ std::unique_ptr<PageInfoDelegate> PageInfoClientImpl::CreatePageInfoDelegate(
 int PageInfoClientImpl::GetJavaResourceId(int native_resource_id) {
   return weblayer::MapToJavaDrawableId(native_resource_id);
 }
+
+}  // namespace weblayer

weblayer/browser/url_bar/page_info_client_impl.h

@@ -15,6 +15,8 @@ namespace content {
 class WebContents;
 }
 
+namespace weblayer {
+
 // WebLayer's implementation of PageInfoClient.
 class PageInfoClientImpl : public page_info::PageInfoClient {
  public:
@@ -29,4 +31,6 @@ class PageInfoClientImpl : public page_info::PageInfoClient {
   int GetJavaResourceId(int native_resource_id) override;
 };
 
+}  // namespace weblayer
+
 #endif  // WEBLAYER_BROWSER_URL_BAR_PAGE_INFO_CLIENT_IMPL_H_